<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form
        style="padding: 0 25px"
        :model="formReg"
        :rules="rules"
        ref="formReg"
      >
        <el-form-item prop="username">
          <el-input
            v-model="formReg.username"
            prefix-icon="el-icon-user"
            placeholder="请输入用户名"
          />
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="formReg.password"
            prefix-icon="el-icon-lock"
            placeholder="请输入密码"
          />
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            v-model="formReg.repassword"
            prefix-icon="el-icon-lock"
            placeholder="请确认密码"
          />
        </el-form-item>
        <!-- 按钮 -->
        <el-button type="primary" style="width: 100%" @click="submitForm"
          >注册</el-button
        >
        <el-link type="info">去登录</el-link>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "Reg",
  data() {
    // 自定义校验
    var validatePass2 = (rule, value, callback) => {
      if (value === "") {
        callback(new Error("请再次输入密码"));
      } else if (value !== this.formReg.password) {
        callback(new Error("两次输入密码不一致!"));
      } else {
        callback();
      }
    };
    return {
      // 注册表单收集的数据
      formReg: {
        username: "",
        password: "",
        repassword: "",
      },
      // 表单所有的校验规则
      rules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            pattern: /^[0-9a-zA-Z]{1,10}$/,
            message: "请输入字母数字1~10",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { pattern: /^\S{6,15}$/, message: "请输入密码6~15", trigger: "blur" },
        ],
        repassword: [
          // pattern 正则校验
          { pattern: /^\S{6,15}$/, message: "请输入密码6~15", trigger: "blur" },
          // validator调用自定义的校验函数
          { validator: validatePass2, trigger: "blur" },
        ],
      },
    };
  },
  methods: {
    // 注册按钮
    // 点击事件
    submitForm() {
      // 2.兜底校验
      this.$refs.formReg.validate(async (valid) => {
        if (!valid) return alert("校验失败");
        // 1 发送axios请求并解构
        const { data: res } = await this.$http.post("/api/reg", this.formReg);
        console.log(res);
        // 2 错误提示用户
        if (res.code !== 0) return this.$message.error(res.message);
        this.$message.success(res.message);
        // 3 无误后跳转登录页面
        this.$router.push("/login");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
  }
}
</style>